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Kali Linux Network Scanning Cookbook

You're reading from   Kali Linux Network Scanning Cookbook A Step-by-Step Guide leveraging Custom Scripts and Integrated Tools in Kali Linux

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Product type Paperback
Published in May 2017
Publisher
ISBN-13 9781787287907
Length 634 pages
Edition 2nd Edition
Languages
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Author (1):
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 Hixon Hixon
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Hixon
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Toc

Table of Contents (19) Chapters Close

Title Page
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
1. Getting Started FREE CHAPTER 2. Reconnaissance 3. Discovery 4. Port Scanning 5. Fingerprinting 6. Vulnerability Scanning 7. Denial of Service 8. Working with Burp Suite 9. Web Application Scanning 10. Attacking the Browser with BeEF 11. Working with Sparta 12. Automating Kali Tools

TCP port scanning


Throughout this chapter, several different approaches to TCP scanning will be addressed. These techniques include stealth scanning, connect scanning, and zombie scanning. To understand how these scanning techniques work, it is important to understand how TCP connections are established and maintained. TCP is a connection-oriented protocol, and data is only transported over TCP after a connection has been established between two systems. The process associated with establishing a TCP connection is often referred to as the three-way handshake. This name alludes to the three steps involved in the connection process. The following diagram illustrates this process in graphical form:

A TCP SYN packet is sent from the device that wishes to establish a connection with a port of the device that it desires to connect with. If the service associated with the receiving port accepts the connection, it will reply to the requesting system with a TCP packet that has both the SYN and ACK...

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